ICD-10-CM

ICD-10 code for Otitis media: H66.90

The closest CDC title for "Otitis media" is H66.90, Otitis media, unspecified, unspecified ear. H66.90 is a billable code.

Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page

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A header groups codes and is not billed. A billable code is one you can report.

The CDC tabular list says to add the code named here after this one when it applies.

From H66.9. A note on a category applies to every code under it.

Use additional code for any associated perforated tympanic membrane (H72.-)

From H66. A note on a category applies to every code under it.

Use additional code to identify:

What is the ICD-10 code for Otitis media?

The closest CDC title for "Otitis media" is H66.90, Otitis media, unspecified, unspecified ear. H66.90 is a billable code.

Is H66.90 billable?

Yes. H66.90 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.

What documentation notes apply to H66.90?

The CDC tabular list gives 8 "use additional code" notes for H66.90 and the categories above it. They are listed on this page.

What chapter is H66.90 in?

Chapter 8. Diseases of the ear and mastoid process.

When do ICD-10-CM codes change?

Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.